/Engine/Source/Editor/BlueprintGraph/Classes/BlueprintVariableNodeSpawner.h
Takes care of spawning variable getter/setter nodes. Serves as the "action" portion for certain FBlueprintActionMenuItems. Evolved fromFEdGraphSchemaAction_K2Var, and can spawn nodes for both member-variables and local function variables.
class UBlueprintVariableNodeSpawner : public [UBlueprintFieldNodeSpawner](API\Editor\BlueprintGraph\UBlueprintFieldNodeSpawner)